Return-Path: Received: from ensim.rackshack.net (root@localhost) by orafaq.net (8.11.6/8.11.6) with ESMTP id gABBuNJ25540 for ; Mon, 11 Nov 2002 05:56:23 -0600 X-ClientAddr: 209.68.248.164 Received: from newsfeed.cts.com (newsfeed.cts.com [209.68.248.164]) by ensim.rackshack.net (8.11.6/8.11.6) with ESMTP id gABBuNX25530 for ; Mon, 11 Nov 2002 05:56:23 -0600 Received: from fatcity.UUCP (uucp@localhost) by newsfeed.cts.com (8.9.3/8.9.3) with UUCP id BAA17155; Mon, 11 Nov 2002 01:36:42 -0800 (PST) Received: by fatcity.com (26-Feb-2001/v1.0g-b72/bab) via UUCP id 004FFE77; Mon, 11 Nov 2002 01:23:35 -0800 Message-ID: Date: Mon, 11 Nov 2002 01:23:35 -0800 To: Multiple recipients of list ORACLE-L X-Comment: Oracle RDBMS Community Forum X-Sender: "Yechiel Adar" Sender: root@fatcity.com Reply-To: ORACLE-L@fatcity.com Errors-To: ML-ERRORS@fatcity.com From: "Yechiel Adar" Subject: Re: Changing column format Organization: Fat City Network Services, San Diego, California X-ListServer: v1.0g, build 72; ListGuru (c) 1996-2001 Bruce A. Bergman Precedence: bulk Mime-Version: 1.0 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: 7bit You do not need to change the primary key unless different user names can have the same userid. Just add a unique + not null constraint on the user name column. Yechiel Adar Mehish ----- Original Message ----- To: Multiple recipients of list ORACLE-L Sent: Thursday, November 07, 2002 10:33 PM > I create a table to store user account information and set "userid" column > to be primary key. I now want to set "username" to be primary key instead > of "userid", how do I change it? There are couple hundreds of records in > table. Please advise. > > Thanks, > David > -- > Please see the official ORACLE-L FAQ: http://www.orafaq.com > -- > Author: Nguyen, David M > INET: david.m.nguyen@xo.com > > Fat City Network Services -- 858-538-5051 http://www.fatcity.com > San Diego, California -- Mailing list and web hosting services > --------------------------------------------------------------------- > To REMOVE yourself from this mailing list, send an E-Mail message > to: ListGuru@fatcity.com (note EXACT spelling of 'ListGuru') and in > the message BODY, include a line containing: UNSUB ORACLE-L > (or the name of mailing list you want to be removed from). You may > also send the HELP command for other information (like subscribing). -- Please see the official ORACLE-L FAQ: http://www.orafaq.com -- Author: Yechiel Adar INET: adar76@inter.net.il Fat City Network Services -- 858-538-5051 http://www.fatcity.com San Diego, California -- Mailing list and web hosting services --------------------------------------------------------------------- To REMOVE yourself from this mailing list, send an E-Mail message to: ListGuru@fatcity.com (note EXACT spelling of 'ListGuru') and in the message BODY, include a line containing: UNSUB ORACLE-L (or the name of mailing list you want to be removed from). You may also send the HELP command for other information (like subscribing).